US4887420A - Modular mower deck with light-weight housing - Google Patents

Modular mower deck with light-weight housing Download PDF

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Publication number
US4887420A
US4887420A US07/264,414 US26441488A US4887420A US 4887420 A US4887420 A US 4887420A US 26441488 A US26441488 A US 26441488A US 4887420 A US4887420 A US 4887420A
Authority
US
United States
Prior art keywords
housing
drive
blade
plate
mower
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
US07/264,414
Other languages
English (en)
Inventor
John R. Cerny, Jr.
Jay H. Olson
James W. Hall
Leon P. Erdman
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Deere and Co
Original Assignee
Deere and Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Deere and Co filed Critical Deere and Co
Priority to US07/264,414 priority Critical patent/US4887420A/en
Assigned to DEERE & COMPANY, A CORP. OF DE reassignment DEERE & COMPANY, A CORP. OF DE ASSIGNMENT OF ASSIGNORS INTEREST. Assignors: CERNY, JOHN R. JR., ERDMAN, LEON P., HALL, JAMES W., OLSON, JAY H., ROHREN, RONALD E.
Priority to CA002000848A priority patent/CA2000848C/en
Priority to EP89119369A priority patent/EP0367027B1/de
Priority to DE89119369T priority patent/DE58906495D1/de
Priority to JP1284661A priority patent/JPH02182110A/ja
Application granted granted Critical
Publication of US4887420A publication Critical patent/US4887420A/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Classifications

    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01D—HARVESTING; MOWING
    • A01D34/00—Mowers; Mowing apparatus of harvesters
    • A01D34/01—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus
    • A01D34/412—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters
    • A01D34/63—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a vertical axis
    • A01D34/67—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a vertical axis hand-guided by a walking operator
    • A01D34/68—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a vertical axis hand-guided by a walking operator with motor driven cutters or wheels
    • A01D34/685—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a vertical axis hand-guided by a walking operator with motor driven cutters or wheels with two or more cutters
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01D—HARVESTING; MOWING
    • A01D34/00—Mowers; Mowing apparatus of harvesters
    • A01D34/01—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus
    • A01D34/412—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters
    • A01D34/63—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a vertical axis
    • A01D34/64—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a vertical axis mounted on a vehicle, e.g. a tractor, or drawn by an animal or a vehicle
    • A01D34/66—Mowers; Mowing apparatus of harvesters characterised by features relating to the type of cutting apparatus having rotating cutters having cutters rotating about a vertical axis mounted on a vehicle, e.g. a tractor, or drawn by an animal or a vehicle with two or more cutters
    • A01D34/664—Disc cutter bars
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01D—HARVESTING; MOWING
    • A01D2101/00—Lawn-mowers

Definitions

  • the present invention relates generally to mowers, and more specifically to an improved mower deck construction for supporting rotating cutting blades and drive components therefor.
  • a mower deck assembly for a blade mower includes a unitary housing fabricated from a light-weight material and having a domed upper portion forming a downwardly opening cavity within the housing.
  • a modular mounting platform or plate which supports the drive pulleys and spindle or spindles and the corresponding drive components such as the drive belts, is connected by fasteners to the inside of the housing below the domed upper portion.
  • the plate not only substantially bears all the loading of the drive and spindle or spindles, but it also closes the lower portion of the dome to define an enclosure which protects the drive and the belts and which removes the drive arrangement from view.
  • the modular platform can be simply installed from one direction into the housing to facilitate assembly of the deck arrangement.
  • a plastic, composite, laminated or other light-weight material may be used where it can be economically formed, for example, for curved surfaces, while the plate provides ample support for the blade and drive loadings and for the deck mount for attaching the mower deck to the vehicle.
  • the substantially enclosed drive compartment also protects the components from debris buildup and increases life of the belts, pulleys and spindles. The operator is not exposed to any moving belts or pulleys.
  • FIG. 1 is an exploded view of the mower blade deck assembly.
  • FIG. 2 is an enlarged sectional view of the deck assembly of FIG. 1 in assembled condition.
  • FIG. 3 is a sectional view of the deck support bracket taken essentially along lines 3--3 of FIG. 2.
  • FIG. 4 is a sectional view of the plate fastener taken essentially along lines 4--4 of FIG. 2.
  • FIG. 5 is a view of the drive end of the housing with an electric motor attached to the dome-shaped portion.
  • the deck assembly 10 includes an upper housing 12 and a modular drive assembly 14.
  • the upper housing 12 is fabricated from a light-weight material, and includes a lower blade housing 18 and an upper raised or dome-shaped portion 22.
  • the dome-shaped portion 22 defines a generally downwardly opening cavity indicated at 24 within the upper housing 12.
  • the modular drive assembly 14 includes drive structure indicated generally at 28 carried on the upper side of a support plate 32.
  • the drive structure 28 as shown in FIG. 1 includes first and second spaced blade spindles 34 and 38 journalled for rotation about upright axes generally perpendicular to the plan of the support plate 32 in spindle housings 42 and 44, respectively (FIG. 2).
  • the spindle housings 42 and 44 are fixed to the plate 32 by bolts 46.
  • An idler pulley 48 is connected to the plate 32 by a mounting bracket 50 and is journalled for rotation about an upright axis outwardly of the second blade spindle 38.
  • An adjustable idler 52 is connected by an idler support 54 to the support plate 32 for rotation about an upright axis on the opposite side of the blade spindle 38.
  • a pulley 58 is fixed for rotation with the blade spindle 34.
  • a drive belt 62 is trained around the pulley 58, adjustable idler 52 and idler pulley 48, and as best seen in FIG. 1, curves around the back side of a pulley 60 fixed to the blade spindle 38. The blade spindles 34 and 38 are thus rotated in opposite directions.
  • the spindles 34 and 38 project downwardly through the plate 32, and mower blades 64 and 68 are fixed to the lower ends of the respective spindles for rotation therewith in counterrotating fashion.
  • the blades 64 and 68 are timed to rotate ninety degrees out of phase with each other.
  • Drive to the structure 28 may be provided either through a drive pulley 72 fixed to the upper end of the blade spindle 34 and connected to a belt drive (not shown), or by a motor 74 (FIG. 5) directly attached to the dome-shaped portion 22 and drivingly connected to the blade spindle 34.
  • the drive structure 28 is entirely contained on the support plate 32 of the modular drive assembly 14.
  • the upper dome-shaped portion 22 is configured to receive the drive structure 28 within the cavity 24 when the plate 32 is attached to the lower side of the housing 18.
  • the lower blade housing 18 includes an outer curved periphery 78 extending upwardly to a horizontally disposed top portion 82 which extends inwardly from the periphery 78 to the dome-shaped portion 22.
  • the periphery 78 is interrupted at location 86 to form a rearwardly opening discharge area at the center of the housing.
  • the opening 86 is generally rectangular in configuration and extends downwardly from the top portion 82 to the lower edge of the blade housing 18.
  • the counterrotating blades 64 and 68 direct cut material rearwardly through the opening 86.
  • the dome-shaped portion 22 includes an upright periphery 92 which generally conforms to the shape of the drive structure 28.
  • the upper portion 22 includes a drive end indicated at 94 which houses the area around the pulley 58.
  • the upper portion 22 also includes a driven end indicated generally at 96 which houses the area around the idler pulley 48 and the blade spindle pulley 60.
  • a rearwardly extending leg 98 houses the area around the adjustable idler 52.
  • a horizontal top portion 102 substantially closes the dome-shaped portion 22, with the exception of the opening 104 for receiving the end of a shaft or the spindle 34 for mounting the drive pulley 72 (FIG. 1) when a belt drive arrangement is utilized.
  • the upper portion 22 extends over a substantial portion of the top 82 and provides additional overall stiffness to the housing 12.
  • the horizontal top portion 102 provides a mounting surface for an electric motor (74 of FIG. 5) at the end 94 when an electric drive is utilized with the assembly 10.
  • the motor 74 is connected to the top portion 102 by fasteners 108.
  • the deck assembly 10 is assembled by simply raising the module 14 into the housing 12 with the drive structure 28 being received within the downwardly opening cavity 24.
  • the support plate 32 has a periphery 112 generally following but larger than the periphery 92 of the upper dome-shaped portion 22. The module 14 is lifted into the housing 12 until the top of the plate 32 rests against the bottom of the blade housing top portion 82.
  • the plate 32 is apertured at 116 adjacent the periphery 112 and receives fasteners, indicated generally at 118 (FIG. 4), which extend up through the apertures 116 and are secured to the top portion 82 at locations 126 (FIG. 1) outwardly adjacent the periphery 92 of the upper portion 22.
  • the support plate 32 is fabricated from steel and includes strengthening ribs 132.
  • the support plate 32 hit a stake or stump during operation, the loading will be absorbed by the steel plate 32, and the housing 12 will be protected from the load. Therefore, the housing 12 may be fabricated from plastic, composites or similar materials so that it can be economically formed with the curved surfaces to provide the desired shape of the lower blade housing 18 and the upper dome-shaped portion 22.
  • An elastomeric spacer 136 (FIG. 5) can be placed between the steel plate 32 and the composite housing 12 to isolate the drive structure 28 from the deck to thereby reduce noise generation. The spacer 136 will also reduce fatigue caused by assembling steel and plastic or composite components together which have different physical properties such as modulus and elasticity.
  • the housing 12 may be fabricated from a composite including a plastic composite structure shell with a rubber lining to improve abrasion resistance and reduce noise and vibration.
  • the upper housing 12 is molded or stamped using a single wall construction throughout to reduce manufacturing costs. If a laminate material is utilized, the wall sections may be increased to provide the necessary thickness.
  • the fasteners 118 include T-threaded inserts 138 molded directly into the plastic or laminate material at the locations 126.
  • the inserts 138 open downwardly under the lower blade housing 18 and receive cap screws 142 inserted through the apertures at 116 in the plate 32.
  • the cavity 24 of the dome-shaped portion 22 is substantially sealed against dirt and debris that is very prevalent during mowing operations. Therefore, the drive structure 28 is protected against debris buildup that could otherwise clog the drive and lead to premature failure.
  • the shield for the drive structure 28 is formed integrally in the plastic or laminate material and not only shields the drive components but provides necessary stiffness to the upper housing 12.
  • the housing 12 is fabricated from a composite, thermoplastic or thermoset material that is light in weight and can either be molded or stamped easily and inexpensively. If additional abrasion resistance is desired on the inside of the lower blade housing 18, a liner 145 (FIG. 5) can be mechanically fastened or glued to the laminate, or one ply of an aramid veil mat can be molded into the blade housing 18. Molding or stamping the housing from the plastic or laminate material results in a pleasing aesthetic design with smooth lines and a minimum of clutter.
  • deck support brackets 146 (FIGS. 2 and 3) are mechanically fastened to the steel plate 32 through the housing 12. Spacer bushings 148 are inserted between the bracket 146 and the steel mounting plate 32 to provide the necessary compressive strength for mounting bolts 150. Tieing the deck support brackets 146 directly to the steel plate 32 provides a strong mounting arrangement without need to reinforce the housing material.
  • the electric motor 74 is secured to the top portion 102 of the dome-shaped portion 22 at the drive end 94.
  • the blade spindle 34 projects upwardly through the opening 104, and the motor mounting substantially seals the top of the dome-shaped portion 22.
  • the pulley 72 as shown in FIG. 1 may be provided which extends above the top portion 102 of the dome-shaped portion 22 and is connected by a drive belt (not shown) which in turn is driven by the motor on the vehicle.

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Harvester Elements (AREA)
US07/264,414 1988-10-31 1988-10-31 Modular mower deck with light-weight housing Expired - Fee Related US4887420A (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
US07/264,414 US4887420A (en) 1988-10-31 1988-10-31 Modular mower deck with light-weight housing
CA002000848A CA2000848C (en) 1988-10-31 1989-10-17 Modular mower deck with light-weight housing
EP89119369A EP0367027B1 (de) 1988-10-31 1989-10-19 Rasenmähergehäuse
DE89119369T DE58906495D1 (de) 1988-10-31 1989-10-19 Rasenmähergehäuse.
JP1284661A JPH02182110A (ja) 1988-10-31 1989-10-31 草刈り機のデッキ組立体

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/264,414 US4887420A (en) 1988-10-31 1988-10-31 Modular mower deck with light-weight housing

Publications (1)

Publication Number Publication Date
US4887420A true US4887420A (en) 1989-12-19

Family

ID=23005979

Family Applications (1)

Application Number Title Priority Date Filing Date
US07/264,414 Expired - Fee Related US4887420A (en) 1988-10-31 1988-10-31 Modular mower deck with light-weight housing

Country Status (5)

Country Link
US (1) US4887420A (de)
EP (1) EP0367027B1 (de)
JP (1) JPH02182110A (de)
CA (1) CA2000848C (de)
DE (1) DE58906495D1 (de)

Cited By (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5157908A (en) * 1991-06-14 1992-10-27 Deere & Company Mower deck
US5184451A (en) * 1989-11-07 1993-02-09 Raimo Savipakka Lawn mower
US5410866A (en) * 1992-07-24 1995-05-02 Ryobi Motor Products Corp. Mulching lawn mower blade and housing assembly
USD379822S (en) * 1995-09-25 1997-06-10 Japanic Corporation Attachment for a mowing machine
US5638668A (en) * 1995-06-26 1997-06-17 The Toro Company Lawn mower having nested deck and liner
US5836144A (en) * 1997-01-24 1998-11-17 Deere & Company Mounting plate for mower deck
US5860272A (en) * 1997-09-26 1999-01-19 Griffin; Ronald H. Mower belt housing hole cover
US5956932A (en) * 1998-01-22 1999-09-28 Mtd Products Inc Deck attachment mechanism and method
EP0966877A1 (de) * 1998-06-26 1999-12-29 Deere & Company Mähdeck und Abdeckelement
US6052980A (en) * 1998-07-17 2000-04-25 Deere & Company Easy clean dual wall deck for rotary cutter
US6065276A (en) * 1997-01-24 2000-05-23 Deere & Company Mulching mower deck
USD435564S (en) * 1999-06-22 2000-12-26 Stiga Ab Lawn mower unit
US6389786B1 (en) * 2000-02-18 2002-05-21 The Toro Company Belt drive system having a single drive motor for multi-bladed rotary cutting unit for mower
US6772579B2 (en) 2002-03-04 2004-08-10 Honda Giken Kogyo Kabushiki Kaisha Lawnmower housing reinforcement
US6862874B2 (en) 2002-04-22 2005-03-08 Deere & Company Discharge stopper units for mower decks
US6868932B1 (en) * 1998-12-21 2005-03-22 American Off-Road Technologies, Llc Modular vehicle drivetrain
US20050103558A1 (en) * 1998-12-21 2005-05-19 Davis Richard A. Modular vehicle drivetrain
US20090126330A1 (en) * 2007-11-15 2009-05-21 Bush Hog, L.L.C. Rotary cutters
US20090205306A1 (en) * 2008-02-20 2009-08-20 Foster Iii Weaver F Polymer deck for pull type rotary mowing devices
US20100319312A1 (en) * 2006-11-22 2010-12-23 Jorgen Johansson Lawn mower deck and method for making the same
US7980049B1 (en) * 2010-09-29 2011-07-19 Cnh America Llc Twin sheet vacuum formed covers for disc mower cutterbars
US8701377B1 (en) 2011-12-06 2014-04-22 The Toro Company Dual bladed walk power mower with timed blade drive system carried on an apron of a power source mount
US20150047310A1 (en) * 2013-08-14 2015-02-19 Ariens Company Mulching insert and system for mounting a mulching insert to a lawn mower
US20160037718A1 (en) * 2014-08-07 2016-02-11 Dennis Reid, SR. Debris Deflector And Method For Zero Turn Riding Mower
US20180160622A1 (en) * 2015-07-27 2018-06-14 Pellenc (Societe Anonyme) Electric mower with multiple blades
US11477939B2 (en) 2014-08-11 2022-10-25 Briggs & Stratton, Llc Mower deck insert

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006507447A (ja) * 2002-11-22 2006-03-02 本田技研工業株式会社 発電システムを備える動力装置

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2891370A (en) * 1954-08-16 1959-06-23 Musgrave Orly Power plawn mower
US2962854A (en) * 1955-02-15 1960-12-06 Sunbeam Corp Lawn mower
US2983096A (en) * 1954-10-08 1961-05-09 William H Phelps Rotary cutter and housing structure
GB904081A (en) * 1959-11-25 1962-08-22 Wolf Geraete Gmbh Improved electrically driven lawnmower
US3263406A (en) * 1964-09-04 1966-08-02 Yard Man Inc Front mounting for rotary type mower
US3901003A (en) * 1973-12-10 1975-08-26 Deere & Co Rotary mower deck structure including a sound- and vibration-isolated blade housing section
DE2519842A1 (de) * 1975-05-03 1976-11-11 Fichtel & Sachs Ag Brennkraftmaschine mit geraeuschdaempfung
US4064680A (en) * 1975-08-08 1977-12-27 The Black And Decker Manufacturing Company Cordless twin blade lawnmower construction
US4194345A (en) * 1977-06-16 1980-03-25 Black & Decker Inc. Lawnmower
US4711077A (en) * 1984-11-30 1987-12-08 Honda Giken Kogyo Kabushiki Kaisha Cutter housing for power-driven lawn mower
US4724660A (en) * 1986-04-30 1988-02-16 Allied Products Corporation Mower and drive train mounting assembly

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2809654A1 (de) * 1978-03-06 1979-09-13 Gutbrod Werke Gmbh Rasenmaeher

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2891370A (en) * 1954-08-16 1959-06-23 Musgrave Orly Power plawn mower
US2983096A (en) * 1954-10-08 1961-05-09 William H Phelps Rotary cutter and housing structure
US2962854A (en) * 1955-02-15 1960-12-06 Sunbeam Corp Lawn mower
GB904081A (en) * 1959-11-25 1962-08-22 Wolf Geraete Gmbh Improved electrically driven lawnmower
US3263406A (en) * 1964-09-04 1966-08-02 Yard Man Inc Front mounting for rotary type mower
US3901003A (en) * 1973-12-10 1975-08-26 Deere & Co Rotary mower deck structure including a sound- and vibration-isolated blade housing section
DE2519842A1 (de) * 1975-05-03 1976-11-11 Fichtel & Sachs Ag Brennkraftmaschine mit geraeuschdaempfung
US4064680A (en) * 1975-08-08 1977-12-27 The Black And Decker Manufacturing Company Cordless twin blade lawnmower construction
US4194345A (en) * 1977-06-16 1980-03-25 Black & Decker Inc. Lawnmower
US4711077A (en) * 1984-11-30 1987-12-08 Honda Giken Kogyo Kabushiki Kaisha Cutter housing for power-driven lawn mower
US4724660A (en) * 1986-04-30 1988-02-16 Allied Products Corporation Mower and drive train mounting assembly

Cited By (33)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5184451A (en) * 1989-11-07 1993-02-09 Raimo Savipakka Lawn mower
US5157908A (en) * 1991-06-14 1992-10-27 Deere & Company Mower deck
US5410866A (en) * 1992-07-24 1995-05-02 Ryobi Motor Products Corp. Mulching lawn mower blade and housing assembly
US5638668A (en) * 1995-06-26 1997-06-17 The Toro Company Lawn mower having nested deck and liner
USD379822S (en) * 1995-09-25 1997-06-10 Japanic Corporation Attachment for a mowing machine
US5836144A (en) * 1997-01-24 1998-11-17 Deere & Company Mounting plate for mower deck
US6065276A (en) * 1997-01-24 2000-05-23 Deere & Company Mulching mower deck
US5860272A (en) * 1997-09-26 1999-01-19 Griffin; Ronald H. Mower belt housing hole cover
US5956932A (en) * 1998-01-22 1999-09-28 Mtd Products Inc Deck attachment mechanism and method
EP0966877A1 (de) * 1998-06-26 1999-12-29 Deere & Company Mähdeck und Abdeckelement
AU744093B2 (en) * 1998-07-17 2002-02-14 Deere & Company Easy clean, dual wall deck for rotary cutter
US6052980A (en) * 1998-07-17 2000-04-25 Deere & Company Easy clean dual wall deck for rotary cutter
US6868932B1 (en) * 1998-12-21 2005-03-22 American Off-Road Technologies, Llc Modular vehicle drivetrain
US20050103558A1 (en) * 1998-12-21 2005-05-19 Davis Richard A. Modular vehicle drivetrain
US7530420B2 (en) 1998-12-21 2009-05-12 American Off-Road Technologies, Llc Modular vehicle drivetrain
USD435564S (en) * 1999-06-22 2000-12-26 Stiga Ab Lawn mower unit
US6389786B1 (en) * 2000-02-18 2002-05-21 The Toro Company Belt drive system having a single drive motor for multi-bladed rotary cutting unit for mower
US6772579B2 (en) 2002-03-04 2004-08-10 Honda Giken Kogyo Kabushiki Kaisha Lawnmower housing reinforcement
US6862874B2 (en) 2002-04-22 2005-03-08 Deere & Company Discharge stopper units for mower decks
US8327613B2 (en) * 2006-11-22 2012-12-11 Husqvarna Ab Lawn mower deck
US20100319312A1 (en) * 2006-11-22 2010-12-23 Jorgen Johansson Lawn mower deck and method for making the same
US20090126330A1 (en) * 2007-11-15 2009-05-21 Bush Hog, L.L.C. Rotary cutters
US7784255B2 (en) 2007-11-15 2010-08-31 Bush Hog Inc. Rotary cutters
US20090205306A1 (en) * 2008-02-20 2009-08-20 Foster Iii Weaver F Polymer deck for pull type rotary mowing devices
US8196382B2 (en) 2008-02-20 2012-06-12 Foster Iii Weaver F Polymer deck for pull type rotary mowing devices
US7980049B1 (en) * 2010-09-29 2011-07-19 Cnh America Llc Twin sheet vacuum formed covers for disc mower cutterbars
US8701377B1 (en) 2011-12-06 2014-04-22 The Toro Company Dual bladed walk power mower with timed blade drive system carried on an apron of a power source mount
US20150047310A1 (en) * 2013-08-14 2015-02-19 Ariens Company Mulching insert and system for mounting a mulching insert to a lawn mower
US9699960B2 (en) * 2013-08-14 2017-07-11 Ariens Company Mulching insert and system for mounting a mulching insert to a lawn mower
US11540438B2 (en) 2013-08-14 2023-01-03 Ariens Company Mulching insert and system for mounting a mulching insert to a lawn mower
US20160037718A1 (en) * 2014-08-07 2016-02-11 Dennis Reid, SR. Debris Deflector And Method For Zero Turn Riding Mower
US11477939B2 (en) 2014-08-11 2022-10-25 Briggs & Stratton, Llc Mower deck insert
US20180160622A1 (en) * 2015-07-27 2018-06-14 Pellenc (Societe Anonyme) Electric mower with multiple blades

Also Published As

Publication number Publication date
JPH02182110A (ja) 1990-07-16
DE58906495D1 (de) 1994-02-03
EP0367027B1 (de) 1993-12-22
EP0367027A1 (de) 1990-05-09
CA2000848A1 (en) 1990-04-30
CA2000848C (en) 1993-10-12

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AS Assignment

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